I was Presbyterian until recently, and this would have seemed completely normal to me. From that perspective/theology, our relationship with Jesus gives us strength each day. We strengthen our relationship with Him through prayer and reading Scripture. Reading Scripture therefore nourishes us, just as bread would.
Now, I understand that Jesus as our daily bread is most fully expressed in the Eucharist

I do, however, think that there is a sense on which the Word of God in Sacred Scripture can nourish us as well and be a type of “daily bread”… that’s why the Liturgy of the Word is an important part of the Mass. We are nourished by it as well as the Body and Blood of our Lord.
I hope this doesn’t seem like I’m discounting the importance of the Eucharist, because I get so excited just thinking about it… It’s the greatest gift ever, and I can never be grateful enough for it. It’s so good to be Catholic